this is video of ten-year-old jessica ridgeway. she disappeared in suburban denver while walking to school on friday. her family put out this video asking folks to please get a good look at her. hundreds of volunteers have searched fields and retraced her route to school. they found the girl's backpack on a sidewalk this weekend, they tell us, about six files from her home. today an f.b.i. evidence team went inside that home while family members did interviews. jessica's father struggled to speak to reporters. >> the worst thing i've ever been through. i don't know what to do, you know. i just want to find my daughter. >> shep: just wants to find his daughter. the cops say the parents have a cooperated and they're following up on more than 400 tips. >>> after two years of unanswered questions and unending pain, authorities in mexico say they have finally arrested a suspect in the killing of an american along the mexican border. but the victim's wife says there is one thing for which she still needs closure and that's this. ...seems